button {
  border: none;
  color: white;
  background-color: rgba(17, 153, 22, 0.425); /* Green */
  font-size: 11px;
  margin: 2px 1px;
  padding: 5px 5px;
  cursor: pointer;
  transition-duration: 0.5s;
}

button:hover {
  box-shadow: 0 12px 16px 0 rgba(0, 0, 0, 0.24),
    0 17px 50px 0 rgba(0, 0, 0, 0.19);
  background-color: #4caf50; /* Green */

  text-align: center;
  text-decoration: none;
  display: inline-block;
}
